Quarterly Activity Chart
Adds vs. Reduces by Quarter
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AMPH —
AMPHASTAR PHARMACEUTICALS IN
CUSIP: 03209R103 · Held by 2 superinvestors · Combined value: $21,041,689
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| # | Investor | % of Portfolio | Value ($) | Shares | Recent Activity | Share Change |
|---|---|---|---|---|---|---|
| 1 | Jim Simons | 0.0% | $14,587,066 | 544,700 | REDUCE | -42,200 |
| 2 | Ken Griffin | 0.0% | $6,454,623 | 241,024 | REDUCE | -12,751 |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| Jim Simons | REDUCE | -42,200 | -7.2% |
| Ken Griffin | REDUCE | -12,751 | -5.0% |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| Jim Simons | ADD | +10,400 | +1.8% |
| Ken Griffin | REDUCE | -69,170 | -21.4% |
Who Owns AMPH? Superinvestor Holdings
AMPHASTAR PHARMACEUTICALS IN is held by 2 tracked superinvestors, with a combined position value of $21 million . The largest positions are held by Jim Simons (0.0% of portfolio), Ken Griffin (0.0% of portfolio).
In the most recent quarter2 reduced or exited.